The patient is a 77-year-old Caucasian, nursing home resident, who was brought into the emergency room last night after the patient was found unresponsive with shortness of breath. The patient, in the emergency room, was found at first with a blood pressure of 80/40. He received the administration of IV fluids, consistent of normal saline, at a dose of 500 cc x3 doses. Upon further evaluation, he was found with increased troponin and increased levels of brain natriuretic peptide and a diagnosis of left ventricular dysfunction, most likely associated to ischemia, and heart failure was made. The patient has not diuresed as much despite the administration of Lasix 20 mg on two occasions. Upon further evaluation, he was found with a serum creatinine of 2.9 mg/dL, the reason why this consultation has been prompted.